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History 100 (Amussen)

Library Research for The Historian's Craft

About Digital Object Identifiers (DOIs)

DOI DEFINITION

A DOI, or Digital Object Identifier, is a unique string of numbers and letters that permanently identify the location of an article, or other work, on the web. A DOI is a permanent or persistent link. 

PRESENTED as ACTIVE or INACTIVE

When you locate an article, DOIs may or may not be listed as active links.

To make a DOI active, simply add http://dx.doi.org/ before the DOI.  You can also locate the article from an non-active link by pasting the DOI into a DOI resolver.  https://dx.doi.org/

DOIs are NOT UNIVERSAL

Not all articles have a DOI.

 

graphic of DOI logo

 

CrossRef

CrossRef logo

If there is not a DOI and you want to check if one is available, visit CrossRef.org

CMOS & DOIS

*More on DOIs from the Chicago Manual of Style (CMOS).